lusk corporation produces and sells 15,600 units of product x each month. the selling price of product x is $26 per unit, and variable expenses are $20 per unit. a study has been made concerning whether product x should be discontinued. the study shows that $73,000 of the $106,000 in monthly fixed expenses charged to product x would not be avoidable even if the product was discontinued. if product x is discontinued, the monthly financial advantage (disadvantage) for the company of eliminating this product should be: